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I am running Evinrude synthetic, however, I'm still mixing it 50:1. I wasn't aware you could reduce the amount of oil by switching to synthetic. Also it doesn't always smoke like it was in the video...when I recorded that video I was running seafoam through it. That was causing most of the smoke.

On a side note, I was reading about stuck rings. I did see carbon buildup on top of one of my pistons when I changed spark plugs. What are your thoughts on removing the plugs with the engine tilted up and pouring seafoam in the cylinders and letting it soak for a day or two. I would of course tilt it back down and pull the rope a couple times without the plugs in to clear it out before I started it. Do you think this would sufficiently clean the Pistons and free up any rings that might be sticking?

I would like to eliminate any of the simple stuff before I start messing with idle mixture screws and float levels and such...

2015 Tracker Grizzly 1448 MVX
1996 Evinrude 25hp 3 cylinder looper

<blockquote data-quote="fl.graderman" data-source="post: 408283" data-attributes="member: 20523">I am running Evinrude synthetic, however, I&#039;m still mixing it 50:1. I wasn&#039;t aware you could reduce the amount of oil by switching to synthetic. Also it doesn&#039;t always smoke like it was in the video...when I recorded that video I was running seafoam through it. That was causing most of the smoke.On a side note, I was reading about stuck rings. I did see carbon buildup on top of one of my pistons when I changed spark plugs. What are your thoughts on removing the plugs with the engine tilted up and pouring seafoam in the cylinders and letting it soak for a day or two. I would of course tilt it back down and pull the rope a couple times without the plugs in to clear it out before I started it. Do you think this would sufficiently clean the Pistons and free up any rings that might be sticking? I would like to eliminate any of the simple stuff before I start messing with idle mixture screws and float levels and such...2015 Tracker Grizzly 1448 MVX1996 Evinrude 25hp 3 cylinder looper</blockquote>

[QUOTE="fl.graderman, post: 408283, member: 20523"] I am running Evinrude synthetic, however, I'm still mixing it 50:1. I wasn't aware you could reduce the amount of oil by switching to synthetic. Also it doesn't always smoke like it was in the video...when I recorded that video I was running seafoam through it. That was causing most of the smoke. On a side note, I was reading about stuck rings. I did see carbon buildup on top of one of my pistons when I changed spark plugs. What are your thoughts on removing the plugs with the engine tilted up and pouring seafoam in the cylinders and letting it soak for a day or two. I would of course tilt it back down and pull the rope a couple times without the plugs in to clear it out before I started it. Do you think this would sufficiently clean the Pistons and free up any rings that might be sticking? I would like to eliminate any of the simple stuff before I start messing with idle mixture screws and float levels and such... 2015 Tracker Grizzly 1448 MVX 1996 Evinrude 25hp 3 cylinder looper [/QUOTE]

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